What sort of VR headsets can be used?

Any PC driven headsets that support SteamVR. This includes major brands such as HTC, HP, Oculus, Pico and Valve. PC powered headsets utilise the graphic processing power of the connected machine which is generally far superior to that of any chipset integrated into a lightweight headset. We need the tethering option to use the graphics card in the PC to provide the best resolution and high refresh rates for you. Low refresh rates are what cause “motion sickness” effect